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Since 1992 Ultrablock, Inc. has manufactured the LOCK-BLOCKŪ Retaining Wall System.
These blocks are engineered and designed to build
segmental modular concrete block retaining walls. In addition to retaining wall blocks, these units are also recommended and are utilized
for all types of slope protection, landslide repairs, as an excellent alternative to crib-walls, gabions, rock/boulder walls, and
timber lagging. There are a wide variety of uses for Ultrablock units in addition to slope protection including: containment bunkers,
bulkheads, seawalls, wingwalls for bridges, barriers, retention ponds, culverts, wine storage facilities, etc. There uses are extremely
diversified.

Ultrablock, Inc. currently works with over 62 different production facilities in
Washington, Oregon, Northern California,
Northern Nevada and Arizona.

Ultrablock LOCK-BLOCKŪ units offer an easy-to-build, structural retaining wall. They are:
· Versatile - can be used as a cut wall
or fill wall with a variety of configurations
· Aesthetic - 3 faces available
· Economical - up to half the cost of cast-in-place
Designable
to 30+ feet tall, build as a MSE (tieback) block retaining wall or a gravity retaining wall without tiebacks.